Hopper unloader



FIG. 1 is a perspective view of a hopper unloader showing the front, left side and top;

FIG. 2 is a left side elevation view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a rear elevation view thereof; and

FIG. 7 is a bottom plan view thereof.

The mesh pattern shown in the corners of the rectangular area in the front, rear, right and left sides of the hopper unloader is understood to be repeated uniformly throughout said areas. 

The ornamental design for a hopper unloader, as shown and described. 